Fix Linux icon issue (#808)

- Try load icon
- Only build linux
- Set icon in conf.lua
- Set some global variables in conf.lua and set corresponding configs
- Avoid change fullscreen state when playing on mobile devices
- Try mobile
- Enable CI for merging

parts/updateLog.lua

@@ -2,6 +2,11 @@ return[=[
 未来计划:
         正在点亮科技树...
 
+0.17.10: 暂停 Break
+        新增:
+                不允许移动端退出全屏模式
+                抗锯齿和垂直同步设置选项
+
 0.17.9: 暂停 Break
         修复:
                 第一次启动选择语言后直接就退出了